{"title":"Flat Head Structural Screws","description":"\u003ch2\u003eFlat Head Structural Screws for High-Strength Wood Connections\u003c\/h2\u003e\n\u003cp\u003eFlat head structural screws are engineered for heavy-duty wood-to-wood fastening where structural performance and a flush surface finish both matter. Designed to replace traditional lag bolts in many applications, these screws feature aggressive thread patterns, high-strength steel construction, and corrosion-resistant coatings for long-term durability. The countersunk flat head seats cleanly into lumber, creating a smooth surface without sacrificing load-bearing capacity.\u003c\/p\u003e\n\u003ch3\u003eEngineered for Structural Performance\u003c\/h3\u003e\n\u003cp\u003eBuilt for framing, beam connections, and multi-ply assemblies, flat head structural screws deliver strong shear and withdrawal resistance comparable to or greater than traditional lag bolts. Many designs include self-drilling or cutting tips that reduce or eliminate the need for pre-drilling in most softwoods.\u003c\/p\u003e\n\u003cp\u003eThe flush head profile allows finish materials to sit flat and minimizes interference in visible or tight-clearance areas. This makes them especially useful in deck construction, exposed timber builds, and engineered wood assemblies.\u003c\/p\u003e\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWall framing, beams, and post connections\u003c\/li\u003e\n\u003cli\u003eDeck ledger and structural framing assemblies\u003c\/li\u003e\n\u003cli\u003eFastening trusses and laminated members\u003c\/li\u003e\n\u003cli\u003eCross-laminated timber (CLT) installations\u003c\/li\u003e\n\u003cli\u003eWood-to-wood structural connections traditionally using lag bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Considerations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad Requirements:\u003c\/strong\u003e Confirm shear and withdrawal values meet project specifications and local building codes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Protection:\u003c\/strong\u003e Choose coated or stainless options for treated lumber and exterior builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Style:\u003c\/strong\u003e Flat heads provide a clean, flush finish, while hex heads may allow higher visible torque application.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Density:\u003c\/strong\u003e Pre-drilling may be recommended when working with dense hardwoods or engineered lumber.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eExplore Related Structural Fasteners\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/www.uscargocontrol.com\/collections\/lag-bolts\"\u003eLag Bolts:\u003c\/a\u003e\u003c\/strong\u003e Traditional fasteners for wood-to-wood structural connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eNeed Help Selecting Flat Head Structural Screws?\u003c\/h2\u003e\n\u003cp\u003eStructural fastening requires the right balance of strength, corrosion protection, and installation efficiency. Our product experts can help you choose the correct size and configuration for your build. \u003ca href=\"https:\/\/www.uscargocontrol.com\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e for professional guidance and support.\u003c\/p\u003e","products":[{"product_id":"22-x-3-1-2-sdws-structural-screw-t40-star-double-barrier-black-pkg-12","title":"0.220\" x 3-1\/2\" Strong-Tie SDWS22312DBBRC12 Structural Screw T40 Star Double Barrier Black - Pkg 12","description":"\u003ch2\u003e0.220\" x 3-1\/2\" Strong-Tie SDWS22312DBBRC12 Structural Screw T40 Star Double Barrier Black - Pkg 12\u003c\/h2\u003e\n\u003cp\u003eThe Simpson Strong-Tie Outdoor Accents® SDWS Structural Wood Screw delivers structural performance with a bold, finished appearance. Sized at 0.220\" x 3-1\/2\", this screw is built for outdoor framing and decorative wood projects where strength and presentation both matter. The Double Barrier Black coating offers corrosion resistance while complementing Outdoor Accents hardware.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: For optimal decorative appearance, pair with Outdoor Accents® hex-head washers (sold separately).\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eDecorative Black Structural Wood Screw for Outdoor Framing Projects\u003c\/h2\u003e\n\u003cp\u003eIdeal for pergolas, pavilions, arbors, and custom exterior builds, this T40 Star drive structural screw provides a secure hold in treated lumber and exterior applications. The large hex-style head creates a clean, architectural look that blends seamlessly with black hardware accents.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble Barrier Black Coating:\u003c\/strong\u003e Corrosion-resistant finish designed for exterior exposure and treated wood.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT40 Star Drive:\u003c\/strong\u003e Provides strong bit engagement for improved torque control during installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHex-Style Head Design:\u003c\/strong\u003e Delivers a bold appearance and pairs with Outdoor Accents washers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented Sharp Point:\u003c\/strong\u003e Drives into wood efficiently without the need for pre-drilling in typical applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePergola Construction:\u003c\/strong\u003e Secure beams and framing members with a decorative finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePavilion and Gazebo Builds:\u003c\/strong\u003e Structural fastening with a clean, exposed hardware look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeck Accent Framing:\u003c\/strong\u003e Ideal for visible connections where appearance matters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutdoor Furniture Projects:\u003c\/strong\u003e Adds strength and style to custom wood builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFence and Gate Assemblies:\u003c\/strong\u003e Suitable for exterior wood connections requiring corrosion resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse a T40 Bit:\u003c\/strong\u003e Ensure proper engagement to prevent stripping and maintain drive efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Flush:\u003c\/strong\u003e Seat the head evenly against the surface for a consistent finished look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlign Before Fastening:\u003c\/strong\u003e Position materials accurately prior to driving for tight, uniform joints.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"US Cargo Control","offers":[{"title":"Default Title","offer_id":44481846378541,"sku":"SDWS22312DBBRC12","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0283\/2229\/9949\/files\/SDWS22312DBBRC12-FlatHeadStructuralScrew-Main-1_12pack.jpg?v=1768411681"},{"product_id":"275-x-3-conquest-structural-screw-t-30-star-drive-pkg-50","title":".275\" x 3\" Conquest Structural Screw - T-30 Star Drive, Pkg 50","description":"\u003ch2\u003e.275\" x 3\" Conquest Structural Screw - T-30 Star Drive, Pkg 50\u003c\/h2\u003e\n\u003cp\u003eThe .275\" x 3\" Conquest Structural Screw is built for structural wood connections that demand dependable strength and consistent drive performance. Featuring a T-30 star drive, this screw delivers solid bit engagement and reduced cam-out during installation. Ideal for deck framing, ledger attachments, and general structural fastening.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: ICC-ES code approved for structural wood applications.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003e.275\" x 3\" Structural Wood Screw with T-30 Star Drive\u003c\/h2\u003e\n\u003cp\u003eWith aggressive self-tapping threads and a robust .275\" diameter, this 3\" structural screw penetrates dense lumber cleanly while providing reliable holding power for load-bearing assemblies.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e.275\" Structural Diameter:\u003c\/strong\u003e Designed for high-strength wood connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\" Length:\u003c\/strong\u003e Suitable for common framing and ledger applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-30 Star Drive:\u003c\/strong\u003e Maximizes torque transfer and reduces cam-out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-Tapping Thread:\u003c\/strong\u003e Eliminates the need for predrilling in most wood.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeck Framing:\u003c\/strong\u003e Secures joists and support members.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLedger Board Installation:\u003c\/strong\u003e Fastens ledgers to structural framing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral Wood Construction:\u003c\/strong\u003e Ideal for dimensional lumber connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructural Repairs:\u003c\/strong\u003e Reinforces existing wood assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExterior Framing:\u003c\/strong\u003e Suitable for outdoor structural builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse a T-30 Bit:\u003c\/strong\u003e Ensure full star-drive engagement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Straight:\u003c\/strong\u003e Maintain perpendicular alignment for proper seating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvoid Over-Torque:\u003c\/strong\u003e Seat the head flush without stripping wood fibers.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"US Cargo Control","offers":[{"title":"Default Title","offer_id":44481847263277,"sku":"CSS-300","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0283\/2229\/9949\/files\/CQ-FBA-CSS-300-Structural_Screws-Main-1.jpg?v=1768411691"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0283\/2229\/9949\/collections\/media_e3afc778-5d64-420d-96cf-719e1973b577.jpg?v=1771340335","url":"https:\/\/www.uscargocontrol.com\/collections\/flat-head-structural-screws.oembed","provider":"US Cargo Control","version":"1.0","type":"link"}